5.4.1.2 Install the forced convection cooling (as required) - cooling fan,
guards and cowling
569F
785D
234A
222V
392B
370N
234D
469Q
109A
Figure 27: Install the Forced Convection Cooling (As required)- Cooling Fan, Guards and Cowling
Is the cooling fan shroud support (234D) already installed?
a) If yes; install cooling fan (392B) and tighten set screws (222V) and then proceed to Step 2.
b) If no; complete these steps.
•
Remove quantity 5 bolts (370N) from the thrust bearing frame end cover (109A)
•
Align the cooling fan shroud support (234D) to the thrust bearing frame end cover (109A) so the
holes in the pump cooling fan shroud align with the holes in the thrust bearing frame end cover and
replace quantity 5 bolts (370N).
•
Evenly tighten bolts (370N) and torque to the maximum torque values for 3700i fasteners table.
1.
Slide the cooling fan (392B) onto the shaft, align set screws (222V) with dimple in shaft and install
quantity 2 set screws (222V). Make sure cast in "CCW" lettering and rotational arrow is facing to-
wards the driver.
2.
Install the cooling fan shroud (234A) by aligning 4 slots of cooling fan shroud over the cooling fan
(392B) and cooling fan shroud support (234D). Fasten with quantity 5 Hex cap screws (469Q).
3.
Position cooling fan cowling (785D) over cooling fan shroud (234A) and align matching instrumenta-
tion cut outs and fastening slots of cooling fan cowling (785D). Screw 4 hex cap screws (569F) into
cooling fan shroud threaded inserts.
4.
Install the coupling guard per
5.4.1.1 Install the coupling guard on page 46
5.4 Couple the pump and driver
50
Model 3700i API610 / Type OH2 Installation, Operation, and Maintenance Manual